diff --git a/net/mac80211/tdls.c b/net/mac80211/tdls.c index 6f3a3ad0cb7c387c43a1197ea4b578f8bc11ead5..b87e369561f420ac5adc1e23b7a7594c25543165 100644 --- a/net/mac80211/tdls.c +++ b/net/mac80211/tdls.c @@ -332,6 +332,19 @@ ieee80211_tdls_mgmt_setup(struct wiphy *wiphy, struct net_device *dev, goto exit; } + /* + * make sure we have a STA representing the peer so we drop or buffer + * non-TDLS-setup frames to the peer. We can't send other packets + * during setup through the AP path + */ + rcu_read_lock(); + if (!sta_info_get(sdata, peer)) { + rcu_read_unlock(); + ret = -ENOLINK; + goto exit; + } + rcu_read_unlock(); + ieee80211_flush_queues(local, sdata); ret = ieee80211_tdls_prep_mgmt_packet(wiphy, dev, peer, action_code,